Home / 72,931.60-109,397.40-41,741.20

Finding the Fourth Proportional to 72,931.60, 109,397.40 and 41,741.20

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Solution

The fourth proportional to 72,931.60, 109,397.40 and 41,741.20 is: 62,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.60 : 109,397.40 = 41,741.20 : x
  2. Step 2: Convert to fraction form
    72,931.60/109,397.40 = 41,741.20/x
  3. Step 3: Cross multiply
    72,931.60x = 109,397.40 × 41,741.20
  4. Step 4: Simplify right side
    72,931.60x = 4,566,378,752.88
  5. Step 5: Solve for x
    x = 4,566,378,752.88/72,931.60
  6. Step 6: Final answer
    x = 62,611.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.